Maxima Heavy Duty 85w140 Transmission Oil - Harley & Indian V-Twin
About Maxima
Maxima Racing Oils has blended lubricants in California since 1979 and supplies factory race teams across powersports. Its V-twin oils are formulated for the shared-sump and air-cooled realities of American engines.
Keep your V-twin's transmission shifting smooth and protected under severe conditions with Maxima Heavy Duty 85w140 Transmission Oil. This robust gear oil is engineered for the demands of high-performance Harley-Davidson and Indian Motorcycle drivetrains. Its advanced formula ensures optimal performance and longevity for your 4-, 5-, or 6-speed gearbox.
Why riders pick this
- Heavy duty formula for severe V-twin operating conditions
- Ultra-high film strength protects against wear and pitting
- Extreme pressure additives for superior shock load protection
- Ensures smooth and precise shifting under peak RPMs
- Meets and exceeds API GL-5 specifications for V-twin transmissions
Maxima Heavy Duty 85w140 Transmission Oil delivers uncompromising protection for your Harley-Davidson or Indian Motorcycle. Designed to withstand extreme pressure and shock loads, this oil maintains its film strength even under peak RPMs and aggressive riding. It's the ideal choice for riders who push their V-twin to the limits and demand reliable, smooth shifting every time.
Unrivaled Gearbox Protection
- Heavy duty formula engineered for severe operating conditions
- Ultra-high film strength provides robust protection against wear
- Extreme pressure additives safeguard gears from shock loads
- Promotes smooth and consistent shifting under peak RPMs
- Meets and exceeds stringent API GL-5 specifications
Optimized for Performance V-Twins
This 85w140 transmission oil is specifically tailored for V-twin motorcycles, ensuring compatibility with 4-, 5-, and 6-speed gearboxes found in Harley-Davidson and Indian models. Whether you're cruising or carving canyons, Maxima Heavy Duty oil helps extend the life of your transmission components by minimizing wear and maintaining optimal lubrication. Pair it with other Maxima fluids for a complete maintenance solution.
Specifications
- Brand: Maxima
- Manufacturer Part #: 40-01901
- UPC: 851211003218
- Viscosity: 85w140
- Size: 32 oz
- Weight: 2 lbs
- Dimensions: 2.6 in L × 5.75 in W × 9.1 in H
Common questions
What type of transmissions is this oil suitable for?
This Maxima Heavy Duty 85w140 Transmission Oil is formulated for V-twin motorcycles running 4-, 5-, or 6-speed gearboxes, including Harley-Davidson and Indian Motorcycle models.
Will this oil improve shifting performance?
Yes, its high film strength and extreme pressure additives are designed to ensure smooth and consistent shifting, even under peak loads and high RPMs.
Is this a mineral or synthetic oil?
This is a heavy-duty gear oil specifically formulated with extreme pressure additives to protect your V-twin transmission under severe operating conditions.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | Maxima |
| TYPE | Chemicals |
| SKU | 78-99921 |
| WEIGHT | 2.0 lb |
